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| | | Forums66 Topics128,029 Posts1,055,416 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: May 2011 Posts: 266 Shop Shark | | Shop Shark Joined: May 2011 Posts: 266 | I have a 51 3100, ls-1 , and a American auto wire chassis harness. My headlights, running lights, low beam, high beam , turn signals all work. My issue is that when my lights are on my brake lights does not work?? Does not matter if it's park or full lights. If I turn the lights off the brake lights work fine? | | | | | Joined: Feb 2008 Posts: 202 Shop Shark | | Shop Shark Joined: Feb 2008 Posts: 202 | Hi, Pa51, On my truck I used reproduction stock type tail light mounts and found out that the ground path through the mount did NOT work.( I did check with a multimeter and it said I had a ground path) I had to install separate grounds from the frame to the tail light mounting bolts. Hope this helps, Brian
Keep the 216's running. 1949 1/2 ton model #1314 (US 3104) Brian
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | If the large and small filaments are switched, it may not be possible to see the brake lights. | | | | | Joined: Jun 2009 Posts: 1,596 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 1,596 | Most aftermarket wiring companies have a great tech line. You might want to call them. | | | | | Joined: May 2011 Posts: 266 Shop Shark | | Shop Shark Joined: May 2011 Posts: 266 | Reversed the wiring on the lighting and everything is good ???? I was told by tech line that it did not matter which wire was going to wich color as long as they matched.
Last edited by Project_area_51; 05/14/2014 12:19 AM.
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